Buffer overflow in Watchguard Agent

CVE-2026-41286

Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers. An unauthenticated attacker on the same local network could exploit this vulnerability to crash the agent service.

Vulnerability class: Buffer Overflow

EPSS: 0.000 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41286?
CVE-2026-41286 is a medium-severity vulnerability in Watchguard Agent, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-05-06.
How severe is CVE-2026-41286?
Medium severity. CVSS v3 base score is 6.5 out of 10.